Classify each of these soluble solutes as a strong electrolyte, a weak electrolyte, or a nonelectrolyte. solutes formula nitric acid hno3 calcium hydroxide ca(oh)2 acetic acid h3ccooh methyl amine ch3nh2 potassium chloride kcl ethanol c2h5oh glucose c6h12o6

Strong electrolytes: Nitric acid, )Calcium Hydroxide and (KCl) potassium chloride

Weak electrolytes: Acetic acid and Methyl amine

Non-electrolytes:Ethanol and Glucose

Explanation: Electrolytes are those compounds which can conduct electricity when dissolved in any polar solvent.

Strong electrolytes are those compounds which completely ionise when dissolved in polar solvent and hence produce ions in solution . So greater the capacity of an compound to ionize itself greater number of ions would be present in solution and hence greater will be the capacity of the solution to conduct electricity.

Ionic compounds like Nitric acid ,(KCl) Potassium chloride and )Calcium hydroxide are completely ionized  when dissolved in polar solvent so these compounds are strong electrolytes.

Weak electrolytes are those  compounds which undergo partial ionization when dissolve in polar solvents . So they are not able to produce more ions in the solution and hence the conductivity of a solution containing weak electrolytes is low.

Acetic acid and Methyl amine are partially ionized when dissolved in polar solvent so these electrolytes are weak electrolytes.

Non-electrolytes are those compounds which are not at all ionized in the polar solvent and they remain as molecules itself even if they are dissolved.

Ethanol and  Glucose do not ionize when dissolved in polar solvent and remain as molecules itself so the solutions of these compounds will not have ions and hence they would be unable to conduct electricity.

so

assuming that your periodic table has eighteen columns, you should highlight   the four elements in the third column from the left of the table.

neutral atoms of elements after calcium contain d electrons. the energy of d orbitals of a particular main shell lies between the energy of the s and p orbitals of the next main shell. for example, electrons in the have energy higher than those in the orbital while lower than those of the orbital.

by the aufbau principle, electrons fill orbitals one at a time, starting from those of the lowest energy. the orbital is therefore filled right after orbitals and before orbitals.  

potassium has electron configuration and calcium . the s orbital of a main shell holds a maximum of two electrons. the next element would thus have the electron configuration and satisfy the requirements.

a neutral atom of the element contains three electrons on top of the most recent noble gas element. it should thus be placed in the third column of the periodic table. both scandium and yttrium would satisfy the conditions. an aufbau diagram indicates that the 4f orbital is filled before the 5d. however, it appears that exceptions exists for both lanthanum and actinium. neutral atoms of the two d-block elements also demonstrate the and should be highlighted as well.